CA

CA or ca may refer to:

Businesses and organizations

Companies

• Air China (IATA airline code CA)
• CA Technologies, a US software company
• Cayman Airways, a Cayman Islands airline
• Channel America, a defunct US television network
• Classic Army, a Hong Kong based manufacturer of airsoft replicas
• Continental Airlines, a U.S. airline
• Creative Assembly, a PC game developer
• Crédit Agricole, a major French bank

Government and political

• Bureau of Consular Affairs, a division of the US Department of State
• Canadian Alliance, a former Canadian political party
• Citizens' Alliance, a political party in Trinidad and Tobago
• Commission on Appointments, a body of the Congress of the Philippines
• Conscientious Arsonists, a Greek terrorist organization
• Countryside Alliance, a British political organization
• Court of Appeals
• Customs Administration, an agency of Taiwan

Schools

• Canadian Academy, an international school in Kobe, Japan
• Cary Academy, a private college-preparatory school in Cary, North Carolina, United States
• Claiborne Academy, a private school in Claiborne Parish, Louisiana, United States
• Clarksville Academy, a private college-preparatory school in Clarksville, Tennessee, United States
• Colorado Academy, a private college-preparatory school in Lakewood, Colorado, United States
• Connections Academy, an online school based in Baltimore, Maryland, United States
• Culver Academies, a boarding school and summer camp program in Culver, Indiana, United States

In sport

• California Angels, former name of a professional baseball team currently known as Los Angeles Angels of Anaheim
• Club Africain, a multi-sport club from Tunis, Tunisia
• Cricket Australia, the governing body for professional and amateur cricket in Australia
• Cruising Association, a UK membership organization for sailors
• Cycling Australia, the national governing body for bicycle racing in Australia

Other organizations

• Cocaine Anonymous, a twelve-step program

In linguistics

• Ca (Indic), a glyph in the Brahmic family of scripts
• Ca (Javanese), a letter in the Javanese script
• Catalan language (ISO 639 alpha-2 language code)
• Contrastive analysis, the systematic study of a pair of languages

Mathematics, science, and technology

Biology and medicine

• CA (journal), a medical journal
• Cancer
• Carbonic anhydrase, a family of enzymes
• Carcinoma, a type of cancer
• Cardiac arrest

Chemistry

• Calcium (Ca)
• Catecholamine, an organic compound
• Cellulose acetate, a type of plastic
• Cyanoacrylate, a chemical compound

Mathematics and computing

• Cellular automaton, a discrete mathematical model
• Certificate authority, an entity issuing digital certificates for secure communications
• Correspondence analysis, a multivariate statistical technique
• Cultural algorithm, a type of evolutionary computation in computer science

Other uses in science and technology

• Centiampere (cA), an SI unit of electric current
• CA-class submarine, a World War II Italian midget submarine
• Nissan CA engine, used in smaller Nissan vehicles
• Chromatic aberration, a distortion in optical lenses
• Conditional access, in broadcast engineering
• Conservation agriculture, a food system
• Conversation Analysis, the study of talk in interaction

Places

• Cả River, in Laos and Vietnam
• Province of Cádiz, Spain
• California, in United States
• Canada
  • .ca, Internet country code for Canada
• City of Carlisle, United Kingdom, by postcode
• Catamarca Province, Argentina

Other uses

• Chartered Accountant
• Circa, meaning approximately
• Civil affairs, a term used by both the United Nations and by military institutions
• Communication arts (disambiguation)
• Confidentiality agreement
• Current account, in economics
• Ca Mè Mallorquí, a dog breed native to Spain
• Captain America

See also

• Class A (disambiguation)